Four-year summary of the use of soil conductivity as a measure of soil and crop status

Roger A. Eigenberg, John A. Nienaber, Bryan L. Woodbury, Richard B. Ferguson

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations

Abstract

Sustainable agriculture requires innovative and practical tools to optimize farm economics, conserve soil organic matter, and minimize negative environmental impacts (Johnson et al., 2003). Electromagnetic induction soil conductivity sensors may provide one such tool. Electromagnetic techniques are well suited for mapping soil conductivity to depths useful for agriculturalists (McNeill, 1990). Electrical conductivity (EC) methods have been shown to be sensitive to high nutrient levels (Eigenberg et al., 1996, 2000) and have been used to detect ionic concentrations on or near the soil surface resulting from eld application of cattle feedlot manure. EC has generally been associated with determining soil salinity; however, EC also can serve as a measure of soluble nutrients (Smith and Doran, 1996) for both cations and anions, and is useful in monitoring the mineralization of organic matter in soil (De Neve et al., 2000). Doran et al. (1996) demonstrated the predictive capability of soil conductivity to estimate soil nitrate.

Original languageEnglish (US)
Title of host publicationHandbook of Agricultural Geophysics
PublisherCRC Press
Pages273-280
Number of pages8
ISBN (Electronic)9781420019353
ISBN (Print)9780849337284
StatePublished - Jan 1 2008

ASJC Scopus subject areas

  • General Engineering
  • General Agricultural and Biological Sciences
  • General Earth and Planetary Sciences
  • General Physics and Astronomy

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